0_0_39213975_11227\Main.java:3: 错误: 需要class, interface或enum
public static void main(String[] args) {
^
0_0_39213975_11227\Main.java:5: 错误: 需要class, interface或enum
DecimalFormat format = new DecimalFormat("0.00");
^
0_0_39213975_11227\Main.java:6: 错误: 需要class, interface或enum
while (input.hasNextLine()){
^
0_0_39213975_11227\Main.java:8: 错误: 需要class, interface或enum
double y1 = input.nextDouble();
^
0_0_39213975_11227\Main.java:9: 错误: 需要class, interface或enum
double x2 = input.nextDouble();
^
0_0_39213975_11227\Main.java:10: 错误: 需要class, interface或enum
double y2 = input.nextDouble();
^
0_0_39213975_11227\Main.java:11: 错误: 需要class, interface或enum
double x = x1-x2;
^
0_0_39213975_11227\Main.java:12: 错误: 需要class, interface或enum
double y = y1-y2;
^
0_0_39213975_11227\Main.java:13: 错误: 需要class, interface或enum
double ret = Math.sqrt(x*x+y*y);
^
0_0_39213975_11227\Main.java:14: 错误: 需要class, interface或enum
System.out.println(format.format(ret));
^
0_0_39213975_11227\Main.java:15: 错误: 需要class, interface或enum
}
^
11 个错误
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